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Wolce, w porównaniu z buhajkami, wolniej przyrastają i gorzej wykorzystują pasze, ale ich mięso zawiera więcej tłuszczu śródmięśniowego, jest jaśniejsze, bardziej kruche i charakteryzuje się większą wodochłonnością. Celem podjętych badań było określenie wpływu intensywności opasu oraz wieku zwierząt w momencie uboju na wartość rzeźną wolców mieszańców mięsnych uzyskanych z krzyżowania krów rasy polskiej...
The objective of this study was to determine the effect of parity on the fatty acid profile of milk from 42 high-yielding cows, including 15 primiparous cows, 15 cows in their second lactation and 12 cows in their third lactation. Milk yield was evaluated and milk samples (462 in total) were collected between lactation days 6 and 60, at five-day intervals. The concentrations of 43 fatty acids were...
The experiment was conducted on 26 nursing Kamieniec ewes from a breeding herd. The animals were divided into two equal groups characterized by the same litter type, age and sex of suckling lambs: I - control and II - experimental. Throughout the 70-day lactation period, both groups were fed identical diets comprising haylage of grasses and legumes, meadow hay and CJ concentrate in daily rations of:...
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